3x(7x-2)+6x-7=

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Solution for 3x(7x-2)+6x-7= equation: 


Simplifying
3x(7x + -2) + 6x + -7 = 0

Reorder the terms:
3x(-2 + 7x) + 6x + -7 = 0
(-2 * 3x + 7x * 3x) + 6x + -7 = 0
(-6x + 21x2) + 6x + -7 = 0

Reorder the terms:
-7 + -6x + 6x + 21x2 = 0

Combine like terms: -6x + 6x = 0
-7 + 0 + 21x2 = 0
-7 + 21x2 = 0

Solving
-7 + 21x2 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '7' to each side of the equation.
-7 + 7 + 21x2 = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 21x2 = 0 + 7
21x2 = 0 + 7

Combine like terms: 0 + 7 = 7
21x2 = 7

Divide each side by '21'.
x2 = 0.3333333333

Simplifying
x2 = 0.3333333333

Take the square root of each side:
x = {-0.577350269, 0.577350269}

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